Avalanche forecast

Jasper

Feb 11 – 12, 2012Parks Canada
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Archived · expired 15 years ago

Avalanche danger

Sat
Sun
Alpine
2 · Moderate
Treeline
1 · Low
Below
1 · Low
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Highlights

Iceclimbers need to factor in the possibility of afternoon loose wet slides in your plans. Temperatures are cooling off the next few days but skies will remain sunny maintaining short wave energy input onto the snow surface.

Avalanche problems

  • Wind Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Unlikely - Possible
    Size
    1–3
    The majority of the windslabs are bonding well, but there remains the potential to trigger them in isolated steep, wind loaded areas in the alpine.

  • Loose Wet

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible - Likely
    Size
    1–2
    Large temperature swings from -20 at night to +2 during the day has us in a melt freeze cycle on south aspects. Freezing level is reaching 1500m or higher by midday. Steep south alpine slopes continue to release naturally in the afternoon.

  • Deep Persistent Slabs

    • Alpine
    • Treeline
    • Below treeline
    Likelihood
    Possible
    Size
    2–4
    A 2m fracture line was observed today. Despite these observations being sporadic, they are still occurring and should remain on your radar and factor into your decisions. They are limited to alpine features above 2600m and running far.

Weather Forecast

Snowpack Summary

Avalanche Summary

Confidence

The weather pattern is stable

Regions covered